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Medium, CVSS 6.9amended

uniget CLI has an EDITOR Command Injection

CVE-2026-55061GHSA-qmcq-xw74-w667

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (gitlab.com/uniget-org/cli 0.27.6), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N · score source
EPSS
  • CVE-2026-55061: 0.15% estimated exploitation activity in the next 30 days; percentile 4.55 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Summary The uniget CLI has a command injection vulnerability in hooks.go line 199 where strings.Split(editor, " ") naively parses the EDITOR environment variable without respecting shell syntax. An attacker can set EDITOR="/path/to/wrapper && id && echo" which gets split into separate arguments, allowing the wrapper script to execute arbitrary commands like id. This was successfully exploited to execute uid=1000(w4nn4d13), confirming code execution is possible. The vulnerability affects hook editing and breaks configurations with modern editors like VSCode. Vulnerable Code: Location Context: Issue: Naive space-splitting allows injection. EDITOR="script && id && echo" splits into ["script", "&&", "id", "&&", "echo"] enabling command execution. Step to Reproduce Step 1: Create malicious editor wrapper Step 2: Create test hook Step 3: Set injection payload Step 4: Run vulnerable code Step 5: Observe output <img width="1017" height="449" alt="image"…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 4 · amended ·

    Amended from ghsa record GHSA-qmcq-xw74-w667

  2. Revision 3 · amended ·

    Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

  3. Revision 2 · amended ·

    Amended from osv record GO-2026-6248

  4. Revision 1 · created ·

    Published from osv record GHSA-qmcq-xw74-w667

Agent brief

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# Patch Next advisory brief: CVE-2026-55061

Advisory: uniget CLI has an EDITOR Command Injection
IDs: CVE-2026-55061, GHSA-qmcq-xw74-w667
Record: https://patchnext.com/advisories/cve-2026-55061 (revision 4, source checked 26 Oct 2026, 15:28 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: gitlab.com/uniget-org/cli 0.27.6. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go gitlab.com/uniget-org/cli: affected < 0.27.6; fixed in 0.27.6

## Suggested inspection (read-only)
- Go gitlab.com/uniget-org/cli: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on gitlab.com/uniget-org/cli.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-qmcq-xw74-w667 (OSV record GHSA-qmcq-xw74-w667 lists affected ranges: Go gitlab.com/uniget-org/cli >=0 <0.27.6 (fixed))
- Verified: https://osv.dev/vulnerability/GO-2026-6248 (OSV record GO-2026-6248 lists affected ranges: Go gitlab.com/uniget-org/cli >=0 <0.27.6 (fixed))
- Verified: https://github.com/advisories/GHSA-qmcq-xw74-w667 (GitHub-reviewed advisory GHSA-qmcq-xw74-w667 lists affected ranges: Go gitlab.com/uniget-org/cli >=0 <0.27.6)

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